Calculating Acceleration

What is the formula for calculating average acceleration?

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NGSS.HS-PS2-1

If a car's velocity changes from 10 m/s to 30 m/s in 5 seconds, what is its average acceleration?

• 2 m/s²

• 4 m/s²

• 5 m/s²

• 6 m/s²

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NGSS.HS-PS2-1

Which of the following is the correct unit for acceleration?

• m/s

• m/s²

• km/h

• m²/s

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NGSS.HS-PS2-1

A cyclist increases his speed from 5 m/s to 15 m/s in 2 seconds. What is his acceleration?

• 3 m/s²

• 5 m/s²

• 10 m/s²

• 20 m/s²

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NGSS.HS-PS2-1

A car accelerates from rest to 25 m/s in 10 seconds. What is the car's average acceleration?

• 1.5 m/s²

• 2.5 m/s²

• 3.5 m/s²

• 4.5 m/s²

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NGSS.HS-PS2-1

Which of the following scenarios describes an object with zero acceleration?

• A car moving at a constant velocity of 60 km/h.

• A ball falling freely under gravity.

• A rocket launching into space.

• A cyclist slowing down to a stop.

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NGSS.HS-PS2-1

An object moving in one dimension has an initial velocity of 8 m/s and a final velocity of 20 m/s over 4 seconds. What is its acceleration?

• 2 m/s²

• 3 m/s²

• 4 m/s²

• 5 m/s²

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NGSS.HS-PS2-1

What is the average acceleration of an object that goes from 0 m/s to 50 m/s in 10 seconds?

• 4 m/s²

• 5 m/s²

• 6 m/s²

• 7 m/s²

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NGSS.HS-PS2-1

If a train's velocity changes from 40 m/s to 60 m/s in 5 seconds, what is the train's acceleration?

• 2 m/s²

• 3 m/s²

• 4 m/s²

• 5 m/s²

Tags

NGSS.HS-PS2-1

A runner increases his speed from 2 m/s to 8 m/s in 3 seconds. What is his acceleration?

• 1 m/s²

• 2 m/s²

• 3 m/s²

• 4 m/s²

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NGSS.HS-PS2-1